<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>ajax,php调试</title>
</head>

<body>
    <div id="test">123</div>
    <script type="text/javascript" src="../jquery.js"></script>
    <script type="text/javascript" src="index.js"></script>
</body>
</html>